Network Monitoring tools CACTI setup step by step on ubuntu server
1. Download and Install VirtualBox
https://www.virtualbox.org/wiki/Downloads
2. Download Ubuntu Server
https://ubuntu.com/download/server
3. Install Ubuntu Server on VirtualBox
3. Open Ubuntu Server and Install Cacti.
1. Prerequisites check your matachin update
sudo apt update
2. Install Apache & PHP
sudo apt install -y apache2 php-mysql libapache2-mod-php
3. Install PHP Extensions
sudo apt install -y php-xml php-ldap php-mbstring php-gd php-gmp
4. Install MariaDB
sudo apt install -y mariadb-server mariadb-client
5. Install SNMP
sudo apt install -y snmp php-snmp rrdtool librrds-perl
6. Database Tuning
sudo nano /etc/mysql/mariadb.conf.d/50-server.cnf
Add/Update
collation-server = utf8mb4_unicode_ci
max_heap_table_size = 128M
tmp_table_size = 64M
join_buffer_size = 64M
innodb_file_format = Barracuda
innodb_large_prefix = 1
innodb_buffer_pool_size = 512M
innodb_flush_log_at_timeout = 3
innodb_read_io_threads = 32
innodb_write_io_threads = 16
innodb_io_capacity = 5000
innodb_io_capacity_max = 10000
innodb_doublewrite = off
sudo systemctl restart mariadb
7. PHP Configuration
sudo nano /etc/php/7.4/apache2/php.ini
date.timezone = US/Central
memory_limit = 512M
max_execution_time = 60
sudo nano /etc/php/7.4/cli/php.ini
date.timezone = US/Central
memory_limit = 512M
max_execution_time = 60
8. Create Database
sudo mysql -u root -p
create database cacti;
GRANT ALL ON cacti.* TO cacti@localhost IDENTIFIED BY 'cacti';
flush privileges;
exit
sudo mysql -u root -p mysql < /usr/share/mysql/mysql_test_data_timezone.sql
sudo mysql -u root -p
GRANT SELECT ON mysql.time_zone_name TO cacti@localhost;
flush privileges;
exit
9. Download & Configure Cacti
wget https://www.cacti.net/downloads/cacti-latest.tar.gz
tar -zxvf cacti-latest.tar.gz
sudo mv cacti-1* /opt/cacti
sudo mysql -u root -p cacti < /opt/cacti/cacti.sql
sudo nano /opt/cacti/include/config.php
/* make sure these values reflect your actual database/host/user/password */
$database_type = "mysql";
$database_default = "cacti";
$database_hostname = "localhost";
$database_username = "cacti";
$database_password = "cacti";
$database_port = "3306";
$database_ssl = false;
Create a crontab file to schedule the polling job.
sudo nano /etc/cron.d/cacti
Add the following scheduler entry in the crontab so that Cacti can poll every five minutes
*/5 * * * * www-data php /opt/cacti/poller.php > /dev/null 2>&1
Create a new site for the Cacti tool
sudo nano /etc/apache2/sites-available/cacti.conf
Use the following configuration
Alias /cacti /opt/cacti
<Directory /opt/cacti>
Options +FollowSymLinks
AllowOverride None
<IfVersion >= 2.3>
Require all granted
</IfVersion>
<IfVersion < 2.3>
Order Allow,Deny
Allow from all
</IfVersion>
AddType application/x-httpd-php .php
<IfModule mod_php.c>
php_flag magic_quotes_gpc Off
php_flag short_open_tag On
php_flag register_globals Off
php_flag register_argc_argv On
php_flag track_vars On
# this setting is necessary for some locales
php_value mbstring.func_overload 0
php_value include_path .
</IfModule>
DirectoryIndex index.php
</Directory>
Enable the created site.
sudo a2ensite cacti
Restart Apache services.
sudo systemctl restart apache2
Create a log file for Cacti and allow the Apache user (www-data) to write a data on to Cacti directory.
sudo touch /opt/cacti/log/cacti.log
sudo chown -R www-data:www-data /opt/cacti/
10. Visit the below URL to begin the installation of Cacti
http://your_ip_address/cacti
Username: admin
Password: admin
Database: cacti
Database User: cacti
Database Hostname: localhost
Port: 3306
Server Operating System Type: unix
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